4261016053566 has 48 divisors (see below), whose sum is σ = 9550868792400. Its totient is φ = 1371316176384.

The previous prime is 4261016053549. The next prime is 4261016053603. The reversal of 4261016053566 is 6653506101624.

4261016053566 is a `hidden beast` number, since 4 + 2 + 6 + 1 + 0 + 1 + 605 + 35 + 6 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18016270 + ... + 18251246.

It is an arithmetic number, because the mean of its divisors is an integer number (198976433175).

Almost surely, 2^{4261016053566} is an apocalyptic number.

4261016053566 is an abundant number, since it is smaller than the sum of its proper divisors (5289852738834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4261016053566 is a wasteful number, since it uses less digits than its factorization.

4261016053566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269753 (or 269750 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 4261016053566 in words is "four trillion, two hundred sixty-one billion, sixteen million, fifty-three thousand, five hundred sixty-six".